OpenCV2.4.9+VS2010 installation and configuration tutorial

first step:

Download and install the win version of the OpenCV package

URL: https://sourceforge.net/projects/opencvlibrary/files/opencv-win/2.4.9/opencv-2.4.9.exe/download

Step 2:

Configure environment variables

Computer->Right-click Properties->Advanced System Settings->Environment Variables->Find Path in the System Variables bar->Edit->Add the following code (do not overwrite the previous one, please note the semicolon between each piece of code):
C:\OpenCV\opencv\build\x64\vc10\bin;
C:\OpenCV\opencv\build\x86\vc10\bin
format is: disk\filename\build\x64 is 64-bit x86 is 32-bit\vc10 is VS2010 and so on \bin
, please edit and modify according to your own situation

third step:

Project Include Directory Settings

• File -> New Project -> Win32 Console Application and Name Select Path -> Click Next Check Empty Project on Application Settings Page
• After completing the above steps, a project has been created;
• In solution explorer right click source file -> add -> new item -> selected C++ file click add
• In the menu bar, click View -> Property Manager -> Click the arrow in front of the Debug|Win32 file -> Microsoft.Cpp.Win32.userDirectories Right click Properties
• After opening the property page, select General Properties->VC++ Directories->Include Directories to add:
  C:\OpenCV\opencv\build\include;
  C:\OpenCV\opencv\build\include\opencv;
  C:\OpenCV\opencv\build\ include\opencv2;
  please edit and modify according to your own situation

Configuration of the project library directory

After opening the property page, select General Properties->VC++ Directory->Library Directory and add:
D:\Program Files\OpenCV\opencv\build\x86\vc10\bin;
please edit and modify according to your own situation, it is recommended to use x86

the fourth step:

Link library configuration

• In the menu bar, click View -> Property Manager -> Click the arrow in front of the Debug|Win32 file -> Microsoft.Cpp.Win32.userDirectories Right click Properties

• After opening the properties page, select Common Properties->Linker->Input->Additional Dependencies and add:

  //debug配置添加：
  opencv_calib3d249d.lib
  opencv_contrib249d.lib
  opencv_core249d.lib
  opencv_features2d249d.lib
  opencv_flann249d.lib
  opencv_gpu249d.lib
  opencv_highgui249d.lib
  opencv_imgproc249d.lib
  opencv_legacy249d.lib
  opencv_ml249d.lib
  opencv_objdetect249d.lib
  opencv_ts249d.lib
  opencv_video249d.lib
  //release配置添加：
  opencv_calib3d249.lib
  opencv_contrib249.lib
  opencv_core249.lib
  opencv_features2d249.lib
  opencv_flann249.lib
  opencv_gpu249.lib
  opencv_highgui249.lib
  opencv_imgproc249.lib
  opencv_legacy249.lib
  opencv_ml249.lib
  opencv_objdetect249.lib
  opencv_ts249.lib
  opencv_video249.lib
  

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the fifth step:

Test if the configuration is successful

Change the name of any jpg image to 1 and add it to the project file where the source file .cpp is stored, that is, in the same folder as the source file.
Copy enter the following code

#include <opencv2/opencv.hpp>
using namespace cv;
int main()
{
    Mat img=imread("1.jpg");
    imshow("Javis",img);
    waitKey(6000);
}

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The picture is displayed normally, and the configuration is complete.

Error note:

• Is the image storage location correct?
• Is the file configuration path correct?
• Additional dependencies add if missing